genetics and punnett squares

Aa, DD, Bb, yy are all examples of _______

• genotypes

• phenotypes

Aa, DD, Bb, yy are all examples of _______

• genotypes

• phenotypes

The physical expression of a trait is called the ...

• genotype

• phenotype

This is an example of ___________?

• Incomplete dominance
• Codominance

Genotype: TT is ...

• homozygous dominant

• homozygous recessive

• heterozygous

Cross 2 heterozygous tall pea plants. Tall (T) is dominant to short (t). What fraction of the offspring do you predict will be tall?

• 1/4

• 2/4

• 3/4

• 4/4

Tags

NGSS.HS-LS3-1

Genotype: Aa is ....

• homozygous dominant

• homozygous recessive

• heterozygous

Tags

NGSS.HS-LS3-2

Which set of alleles are considered heterozygous?

• HH

• Hh

• hh

A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In humans, freckles (F) on the skin are dominant to no freckles (f).  If a heterozygous parent and a recessive parent conceive, what is the chances of having a child with NO FRECKLES?

• 0%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3